95 results
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... 7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Summary #Nephrology #ABG ... #bloodgas #Acid
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
O2 is inspired) PAO2 ... blood (measured on ABG ... Low SvO2 → Low PaO2 ... sepsis) - High PaO2 ... differential #diagnosis #causes
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid ... Do you need an ABG ... Generally, for acid ... an ABG by adding ... and ~5 mmHg to pCO2
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
ABG vs VBG: Arterial ... vs Venous Blood Gases ... ABG PROS: Tells ... looks like (pH, PaCO2 ... Comparison #pH #pCO2
Arterial Blood Gas (ABG) Analysis - Metabolic + Respiratory Acidosis + Alkalosis

pH ↓ pCO2 ↓ -
Arterial Blood Gas (ABG ... + Respiratory Acidosis ... ↓ - Metabolic acidosis ... - Respiratory acidosis ... Arterial #BloodGas #ABG
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders ... Differential Diagnosis Algorithm ... • Metabolic Acidosis ... • Respiratory Acidosis ... #Causes #Compensation
Acid-Base Balance & ABG Normal Ranges Visualization #AcidBase #ABG #Medicine #Physiology #CriticalCare
Base Excess BE -2 to
Acid-Base Balance ... & ABG Normal Ranges ... Visualization #AcidBase #ABG ... 2 (4=metabolic acidosis ... HCO3+Cl) 10-18 paO2
Acid-Base Balance & ABG Normal Ranges Visualization #AcidBase #ABG #Medicine #Physiology #CriticalCare
Base Excess BE -2 to
Acid-Base Balance ... & ABG Normal Ranges ... Visualization #AcidBase #ABG ... 2 (4=metabolic acidosis ... HCO3+Cl) 10-18 paO2
Blood Gas Analysis and Interpretation
STEPS TO ANALYSIS
1. Look at PH. Alkalotic or acidotic?
Alkalotic or acidotic ... - If acidotic ... - pCO2 (respiratory ... #BloodGas #ABG # ... VBG #Analysis #Interpretation
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Blood Gas (ABG) ... Interpretation and Acid-Base ... patient have an acidosis ... is a metabolic acidosis ... AmyChung #AcidBase #ABG